/**
* Prototype : bfg_timer_expire
* Description : bfg timer expired function
* input : uint64
* output : no
* Calls :
* Called By :
*
* History :
* 1.Date : 2013/05/09
* Author : wx145522
* Modification : Created function
*
*/
void bfg_timer_expire(uint64 data)
{
struct ps_core_s *ps_core_d = NULL;
struct pm_drv_data *pm_data = (struct pm_drv_data*)data;
if (unlikely(NULL == pm_data))
{
PS_PRINT_ERR("pm_data is null\n");
return;
}
ps_core_d = pm_data->ps_pm_interface->ps_core_data;
PS_PRINT_INFO("%s\n", __func__);
if (BFGX_PM_DISABLE == pm_data->bfgx_lowpower_enable)
{
PS_PRINT_DBG("lowpower function disabled\n");
return;
}
if (BFGX_SLEEP == pm_data->ps_pm_interface->bfgx_dev_state_get())
{
PS_PRINT_DBG("dev has been sleep\n");
return;
}
if (GNSS_AGREE_SLEEP == atomic_read(&pm_data->gnss_sleep_flag))
{
host_allow_bfg_sleep(ps_core_d);
}
else
{
mod_timer(&pm_data->bfg_timer, jiffies + BT_SLEEP_TIME * HZ);
}
}
STATIC ssize_t gnss_lowpower_state_store(struct device *dev, struct kobj_attribute *attr, const char *buf, size_t count)
{
int flag = 0;
struct pm_drv_data *pm_data = NULL;
PS_PRINT_DBG("gnss_lowpower_state_store!\n");
if (NULL == buf)
{
PS_PRINT_ERR("buf is NULL\n");
return -FAILURE;
}
pm_data = pm_get_drvdata();
if (NULL == pm_data)
{
PS_PRINT_ERR("pm_data is NULL!\n");
return -FAILURE;
}
flag = simple_strtol(buf, NULL, 10);
/*gnss write the flag to request sleep*/
if (1 == flag)
{
if (BFGX_PM_DISABLE == pm_data->bfgx_lowpower_enable)
{
PS_PRINT_WARNING("gnss low power disabled!\n");
return -FAILURE;
}
if (BFGX_SLEEP == pm_data->ps_pm_interface->bfgx_dev_state_get())
{
PS_PRINT_WARNING("gnss proc: dev has been sleep, not allow dev slp\n");
return -FAILURE;
}
/*if bt and fm are both shutdown ,we will pull down gpio directly*/
PS_PRINT_DBG("flag = 1!\n");
if (!timer_pending(&pm_data->bfg_timer))
{
PS_PRINT_SUC("gnss low power request sleep!\n");
host_allow_bfg_sleep(pm_data->ps_pm_interface->ps_core_data);
}
/*set the flag to 1 means gnss request sleep*/
atomic_set(&pm_data->gnss_sleep_flag, GNSS_AGREE_SLEEP);
}
else
{
PS_PRINT_ERR("invalid gnss lowpower data!\n");
return -FAILURE;
}
return count;
}
/**
* Prototype : open_tty_drv
* Description : called from PS Core when BT protocol stack drivers
* registration,or FM/GNSS hal stack open FM/GNSS inode
* input : ps_plat_d
* output : return 0--> open tty uart is ok
* return !0-> open tty uart is false
* Calls :
* Called By :
*
* History :
* 1.Date : 2012/11/05
* Author : wx144390
* Modification : Created function
*
*/
int32 open_tty_drv(void *pm_data)
{
struct ps_plat_s *ps_plat_d = NULL;
struct ps_core_s *ps_core_d;
uint8 retry = OPEN_TTY_RETRY_COUNT;
uint64 timeleft = 0;
PS_PRINT_DBG("%s\n", __func__);
if (unlikely(NULL == pm_data))
{
PS_PRINT_ERR("pm_data is NULL\n");
return -EINVAL;
}
ps_plat_d = (struct ps_plat_s *)pm_data;
ps_core_d = ps_plat_d->core_data;
if (true == ps_core_d->tty_have_open)
{
PS_PRINT_DBG("hisi bfgx line discipline have installed\n");
return 0;
}
reset_uart_rx_buf();
do {
INIT_COMPLETION(ps_plat_d->ldisc_installed);
ps_plat_d->ldisc_install = TTY_LDISC_INSTALL;
PS_PRINT_INFO("ldisc_install = %d\n", TTY_LDISC_INSTALL);
sysfs_notify(g_sysfs_hi110x_bfgx, NULL, "install");
ps_uart_state_pre(ps_core_d->tty);
timeleft = wait_for_completion_timeout(&ps_plat_d->ldisc_installed, msecs_to_jiffies(HISI_LDISC_TIME));
if (!timeleft)
{
ps_uart_state_dump(ps_core_d->tty);
PS_PRINT_ERR("hisi bfgx ldisc installation timeout\n");
PS_BUG_ON(1);
continue;
}
else
{
PS_PRINT_SUC("hisi bfgx line discipline install succ\n");
ps_core_d->tty_have_open = true;
return 0;
}
} while (retry--);
return -EPERM;
}
/**
* Prototype : ps_tty_receive
* Description : called by tty uart when recive data from tty uart
* input : tty -> have opened tty
* data -> recive data ptr
* count-> recive data count
* output : not
* Calls :
* Called By :
*
* History :
* 1.Date : 2012/11/05
* Author : wx144390
* Modification : Created function
*
*/
STATIC void ps_tty_receive(struct tty_struct *tty, const uint8 *data,
int8 *tty_flags, int32 count)
{
#ifdef PLATFORM_DEBUG_ENABLE
struct timeval tv;
struct rtc_time tm;
uint64 tmp;
char filename[60] = {0};
#endif
struct ps_core_s *ps_core_d = NULL;
PS_PRINT_FUNCTION_NAME;
if (unlikely((NULL == tty)||(NULL == tty->disc_data)||(NULL == tty_recv)))
{
PS_PRINT_ERR("tty or tty->disc_data or tty_recv is NULL\n");
return;
}
ps_core_d = tty->disc_data;
spin_lock(&ps_core_d->rx_lock);
#ifdef PLATFORM_DEBUG_ENABLE
if(g_uart_rx_dump)
{
ps_core_d->curr_time = jiffies;
tmp = ps_core_d->curr_time - ps_core_d->pre_time;
if ((tmp > DBG_FILE_TIME * HZ)||(0 == ps_core_d->pre_time))
{
if (NULL != ps_core_d->rx_data_fp)
{
filp_close(ps_core_d->rx_data_fp, NULL);
}
do_gettimeofday(&tv);
rtc_time_to_tm(tv.tv_sec, &tm);
snprintf(filename, sizeof(filename) - 1, "/data/hwlogdir/uart_rx/uart_rx-%04d-%02d-%02d:%02d-%02d-%02d",
tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday, tm.tm_hour, tm.tm_min, tm.tm_sec);
PS_PRINT_INFO("filename = %s",filename);
ps_core_d->rx_data_fp = filp_open(filename, O_RDWR | O_CREAT, 0777);
ps_core_d->pre_time = ps_core_d->curr_time;
}
}
#endif
PS_PRINT_DBG("RX:data[0] = %x, data[1] = %x, data[2] = %x, data[3] = %x, data[4] = %x, data[count-1] = %x\n",
data[0],data[1],data[2],data[3],data[4],data[count-1]);
ps_uart_tty_rx_add(count);
tty_recv(tty->disc_data, data, count);
spin_unlock(&ps_core_d->rx_lock);
}
STATIC void ps_uart_state_get(struct tty_struct *tty)
{
struct uart_state *state = NULL;
if (unlikely((NULL == tty) || (NULL == tty->driver_data)))
{
PS_PRINT_DBG("tty_struct or driver_data is NULL\n");
return;
}
state = tty->driver_data;
if (unlikely(NULL == state->uart_port))
{
PS_PRINT_ERR("uart_port is NULL\n");
return;
}
memcpy(&g_uart_state.uart_cnt, &state->uart_port->icount, sizeof(struct uart_icount));
return;
}
STATIC ssize_t show_gnss_lowpower_state(struct device *dev, struct kobj_attribute *attr, char *buf, size_t count)
{
struct pm_drv_data *pm_data = pm_get_drvdata();
PS_PRINT_DBG("show_gnss_lowpower_state!\n");
if (NULL == buf)
{
PS_PRINT_ERR("buf is NULL\n");
return -FAILURE;
}
if (NULL == pm_data)
{
PS_PRINT_ERR("pm_data is NULL!\n");
return -FAILURE;
}
return snprintf(buf, SNPRINT_LIMIT_TO_KERNEL, "%d\n", atomic_read(&pm_data->gnss_sleep_flag));
}
STATIC ssize_t show_wifi_exception_count(struct device *dev, struct kobj_attribute *attr, int8 *buf)
{
struct st_exception_info *pst_exception_data = NULL;
if (NULL == buf)
{
PS_PRINT_ERR("buf is NULL\n");
return -FAILURE;
}
get_exception_info_reference(&pst_exception_data);
if (NULL == pst_exception_data)
{
PS_PRINT_ERR("get exception info reference is error\n");
return 0;
}
PS_PRINT_DBG("exception debug: wifi rst count is %d\n", pst_exception_data->wifi_exception_cnt);
return snprintf(buf, SNPRINT_LIMIT_TO_KERNEL, "%d\n", pst_exception_data->wifi_exception_cnt);
}
/* show curr bfgx proto yes or not opened state */
STATIC ssize_t show_bfgx_active_state(struct device *dev, struct kobj_attribute *attr, int8 *buf)
{
struct ps_plat_s *pm_data = NULL;
uint8 bt_state = POWER_STATE_SHUTDOWN;
uint8 fm_state = POWER_STATE_SHUTDOWN;
uint8 gnss_state = POWER_STATE_SHUTDOWN;
uint8 ir_state = POWER_STATE_SHUTDOWN;
#ifdef HAVE_HISI_NFC
uint8 nfc_state = POWER_STATE_SHUTDOWN;
#endif
PS_PRINT_DBG("%s\n", __func__);
if (NULL == buf)
{
PS_PRINT_ERR("buf is NULL\n");
return -FAILURE;
}
pm_data = dev_get_drvdata(&hw_ps_device->dev);
if (NULL == pm_data)
{
PS_PRINT_ERR("pm_data is NULL!\n");
return -EFAULT;
}
if (true == atomic_read(&pm_data->core_data->bfgx_info[BFGX_BT].subsys_state))
{
bt_state = POWER_STATE_OPEN;
}
if (true == atomic_read(&pm_data->core_data->bfgx_info[BFGX_FM].subsys_state))
{
fm_state = POWER_STATE_OPEN;
}
if (true == atomic_read(&pm_data->core_data->bfgx_info[BFGX_GNSS].subsys_state))
{
gnss_state = POWER_STATE_OPEN;
}
if (g_board_info.have_ir)
{
if (true == atomic_read(&pm_data->core_data->bfgx_info[BFGX_IR].subsys_state))
{
ir_state = POWER_STATE_OPEN;
}
}
#ifdef HAVE_HISI_NFC
if (true == atomic_read(&pm_data->core_data->bfgx_info[BFGX_NFC].subsys_state))
{
nfc_state = POWER_STATE_OPEN;
}
#endif
if (g_board_info.have_ir)
{
#ifdef HAVE_HISI_NFC
return snprintf(buf, SNPRINT_LIMIT_TO_KERNEL, "bt:%d; fm:%d; gnss:%d; ir:%d; nfc:%d;\n", bt_state, fm_state, gnss_state, ir_state, nfc_state);
#else
return snprintf(buf, SNPRINT_LIMIT_TO_KERNEL, "bt:%d; fm:%d; gnss:%d; ir:%d;\n", bt_state, fm_state, gnss_state, ir_state);
#endif
}
else
{
#ifdef HAVE_HISI_NFC
return snprintf(buf, SNPRINT_LIMIT_TO_KERNEL, "bt:%d; fm:%d; gnss:%d; nfc:%d;\n", bt_state, fm_state, gnss_state, nfc_state);
#else
return snprintf(buf, SNPRINT_LIMIT_TO_KERNEL, "bt:%d; fm:%d; gnss:%d;\n", bt_state, fm_state, gnss_state);
#endif
}
}
